(1) An internal computer component capable of storing a specified amount of data and accepting or transferring this data rapidly.
(2) In the hierarchical file system, to make an underlying file system and the specific functions it supports known to the application programming interface layer and accessible to user applications.
(3) To insert authorization and authentication information into binding information.
(4) In SQL replication, to define a DB2 table, view, or nickname as a replication source.
(5) To add a user-written condition handler onto a routine's stack frame.